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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-31 09:39:56 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-31 09:39:56 +0200
commitfe3015748a905e08eb0e1750aa2928f520063d59 (patch)
treed15524d1f7931e8e5964e9ff8368792d09282da5 /drivers/gpu/drm/msm/msm_fence.c
parent16aae4c64600a6319a6f10dbff833fa198bf9599 (diff)
parent5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 (diff)
Merge 6.5-rc4 into tty-next
We need the serial/tty fixes in here as well for testing and future development. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.c')
-rw-r--r--drivers/gpu/drm/msm/msm_fence.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c
index 96599ec3eb78..1a5d4f1c8b42 100644
--- a/drivers/gpu/drm/msm/msm_fence.c
+++ b/drivers/gpu/drm/msm/msm_fence.c
@@ -191,6 +191,12 @@ msm_fence_init(struct dma_fence *fence, struct msm_fence_context *fctx)
f->fctx = fctx;
+ /*
+ * Until this point, the fence was just some pre-allocated memory,
+ * no-one should have taken a reference to it yet.
+ */
+ WARN_ON(kref_read(&fence->refcount));
+
dma_fence_init(&f->base, &msm_fence_ops, &fctx->spinlock,
fctx->context, ++fctx->last_fence);
}